Submission #875472

#	Time	Username	Problem	Language	Result	Execution time	Memory
875472		auslander	K blocks (IZhO14_blocks)	C++17	53 / 100	1026 ms	80588 KiB

blocks

#include <iostream>
#include <algorithm>
#include <math.h>
#include <sstream>
#include <string>
#include <iomanip>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <map>
#include <vector>
#include <iterator>
using namespace std;

//defines
#define ll long long
#define usg unsigned
#define kap map
#define print(x, n) for(int for_loop = 0; for_loop < n; for_loop++){cout<<x[for_loop]<<' ';}cout<<endl; 
#define read(x, n) for(int for_loop = 0; for_loop < n; for_loop++){cin>>x[for_loop];} 
#define speed ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define ratdig(x) cout << fixed << setprecision(x);
#define xfixdig(x) cout << setprecision(x);
#define multi int t; cin>>t; presolve(); while(t--) solve()
#define single presolve(); solve(); return 0
#define rev(x) reverse(x.begin(), x.end())
#define all(x) x.begin(), x.end()

//functions
void yn(bool b)
{
	if (b)
	{
		cout << "YES\n";
		return;
	}
	cout << "NO\n";
}

ll gcd(ll a, ll b) {
	if (a == 0)
		return b;
	if (b == 0)
		return a;
	return gcd(b % a, a);
}

ll lcm(ll a, ll b)
{
	return (a * b) / gcd(a, b);
}

string to2(ll a)
{
	string r = "";
	for (ll i = a; i > 0; )
	{
		ll k = i % 2;
		i /= 2;
		char c = k + 48;
		r += c;
	}
	if (a == 0)
	{
		r = "0";
	}
	rev(r);

	return r;
}

ll binpow(ll a, ll b, ll mod = -1)
{
	ll ans = 1;
	while (b)
	{
		if ((b & 1) == 1)
		{
			ans *= a;
			if (mod != -1)
				ans %= mod;
		}
		b >>= 1;
		a *= a;
		if (mod != -1)
			a %= mod;
	}
	return ans;
}

//body

void presolve()
{

}

const int N = 100005;
const int K = 105;

ll arr[N];
ll dp[K][N];
void solve()
{
	ll i, j, k, m, n;
	cin >> n >> m;
	for (i = 0; i < n; i++)
	{
		cin >> arr[i];
	}
	k = arr[0];
	dp[0][0] = k;
	for (i = 1; i < n; i++)
	{
		k = max(k, arr[i]);
		dp[0][i] = k;
		//cout << k << ' ';
	}
	ll w = 0;
	//cout << endl;
	for (i = 1; i < m; i++)
	{
		for (j = i; j < n; j++)
		{
			dp[i][j] = 1000000000000000;
			w = arr[j];
			for (k = j - 1; k >= i - 1; k--)
			{
				dp[i][j] = min(dp[i][j], w + dp[i - 1][k]);
				w = max(w, arr[k]);
			}
			/*cout << dp[i][j] << ' ';*/
		}
		/*cout << endl;*/
	}

	cout << dp[m - 1][n - 1] << endl;
}

int main()
{
	speed;
	single;
	multi;

	return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 0 / 47